:root {
  --green: #0D6147;
  --green-dark: #0A342B;
  --green-soft: #ECF7F1;
  --text: #16342F;
  --muted: #687772;
  --line: #DCE8E3;
  --white: #FFFFFF;
  --warm: #FFF6E7;
  --warm-line: #F2D7A5;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC","Hiragino Sans GB","Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { display:block; max-width:100%; }
.page { width:min(1180px, calc(100% - 40px)); margin:0 auto; }

.topbar {
  min-height:92px; display:flex; align-items:center; justify-content:space-between; gap:24px;
  border-bottom:1px solid #EEF3F1;
}
.brand { display:flex; align-items:center; gap:14px; }
.brand-logo { width:54px; height:70px; object-fit:contain; mix-blend-mode:multiply; }
.brand-name { font-size:22px; font-weight:750; letter-spacing:.02em; color:var(--green-dark); line-height:1.25; }
.brand-sub { margin-top:5px; font-size:14px; color:var(--muted); letter-spacing:.12em; }
.tagline { color:#5D6D68; font-size:14px; line-height:1.65; text-align:right; letter-spacing:.12em; }
.tagline::after { content:""; display:block; width:42px; height:2px; background:var(--green); margin:8px 0 0 auto; }

.hero { padding:58px 0 26px; }
.hero h1 { margin:0; color:var(--green-dark); font-size:clamp(40px, 6vw, 72px); line-height:1.08; letter-spacing:-.035em; font-weight:820; }
.hero-kicker { margin-top:18px; color:var(--green); font-size:clamp(22px, 3vw, 34px); font-weight:760; line-height:1.25; }
.hero-note { margin:12px 0 0; color:var(--muted); font-size:18px; line-height:1.8; }

.steps { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; padding:8px 0 56px; align-items:start; }
.step-card {
  position:relative; border:1px solid var(--line); border-radius:20px; background:#fff;
  padding:26px 24px 22px; min-width:0; height:100%;
}
.step-head { display:flex; align-items:center; gap:14px; min-height:56px; }
.step-num {
  width:48px; height:48px; flex:0 0 48px; border-radius:999px; background:var(--green);
  color:#fff; display:grid; place-items:center; font-size:27px; font-weight:800;
}
.step-title { margin:0; color:var(--green-dark); font-size:22px; line-height:1.35; font-weight:780; }
.step-desc { margin:14px 0 18px; color:var(--muted); font-size:16px; line-height:1.65; min-height:56px; }
.step-desc strong { color:var(--green-dark); font-weight:760; }

.qr-wrap {
  width:min(100%, 290px); margin:4px auto 0; padding:14px; background:#fff;
  border:1px solid var(--line); border-radius:14px;
}
.qr { width:100%; aspect-ratio:1/1; object-fit:contain; background:#fff; }
.qr-caption { margin:16px 0 0; text-align:center; color:var(--muted); font-size:15px; line-height:1.65; }
.qr-caption strong { display:block; margin-top:3px; color:var(--green-dark); font-size:17px; }
.oa-preview {
  margin-top:18px;
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  background:#fff;
}
.oa-preview img {
  width:100%;
  height:180px;
  object-fit:cover;
  object-position:top center;
}

.phone {
  width:min(100%, 300px); margin:10px auto 0; padding:8px; border:2px solid #202625;
  border-radius:32px; background:#fff;
}
.phone-inner { position:relative; border-radius:24px; overflow:hidden; }
.phone-screen { width:100%; height:560px; object-fit:cover; border-radius:24px; }
.phone-screen.step2 { object-position:50% 55%; }
.phone-screen.step3 { object-position:50% 37%; }

.download-highlight {
  position:absolute;
  left:16%;
  bottom: -4px;
  width:24%;
  height:56px;
  border:4px solid #12A36F;
  border-radius:16px;
  box-shadow:0 0 0 3px rgba(18,163,111,.18);
  pointer-events:none;
}
.highlight-label {
  position:absolute;
  left:28%;
  bottom: 62px;
  transform:translateX(-50%);
  background:#12A36F;
  color:#fff;
  font-size:13px;
  font-weight:800;
  line-height:1;
  padding:8px 12px;
  border-radius:999px;
  box-shadow:0 8px 18px rgba(18,163,111,.18);
  white-space:nowrap;
}
.highlight-label::after {
  content:"";
  position:absolute;
  left:50%;
  bottom:-8px;
  transform:translateX(-50%);
  border:8px solid transparent;
  border-top-color:#12A36F;
}

.huawei-float {
  position:absolute;
  left:50%;
  bottom:10px;
  transform:translateX(-50%);
  width:90%;
  background:rgba(255,246,231,.96);
  border:1px solid var(--warm-line);
  border-radius:14px;
  padding:10px 12px;
  box-shadow:0 10px 24px rgba(0,0,0,.08);
}
.huawei-top { display:flex; align-items:center; gap:10px; margin-bottom:4px; }
.huawei-logo { width:34px; height:30px; flex:0 0 34px; }
.huawei-title { color:#2E2C27; font-size:15px; font-weight:800; line-height:1.2; }
.huawei-float p { margin:0; font-size:12px; line-height:1.45; color:#6A5422; }

.arrow {
  position:absolute; right:-18px; top:52%; transform:translateY(-50%); z-index:4;
  width:24px; height:44px; display:grid; place-items:center; color:var(--green); font-size:44px; line-height:1;
}
.step-card:last-child .arrow { display:none; }

.section { padding:0 0 62px; }
.section-title {
  display:flex; align-items:center; gap:22px; margin:0 0 18px;
  color:var(--green-dark); font-size:clamp(30px, 4vw, 48px); line-height:1.2; font-weight:820;
}
.section-title::after { content:""; height:1px; background:#96B6AA; flex:1; min-width:80px; }

.search-card {
  display:grid; grid-template-columns:.8fr 1.5fr; gap:32px;
  border:1px solid var(--line); border-radius:20px; padding:28px 30px; background:#fff;
}
.big-stat { padding-right:30px; border-right:1px solid #A9C4BB; }
.big-stat .eyebrow { font-size:22px; color:var(--green-dark); font-weight:720; }
.big-stat .number { margin:3px 0 0; color:var(--green); font-size:clamp(62px, 8vw, 100px); line-height:.96; letter-spacing:-.04em; font-weight:860; }
.big-stat .label { margin-top:8px; color:var(--green-dark); font-size:28px; font-weight:780; }
.search-side h3 { margin:2px 0 18px; color:var(--green-dark); font-size:22px; font-weight:800; }
.searchbar {
  display:flex; align-items:center; gap:12px; height:54px; padding:0 18px; border:1px solid var(--line);
  border-radius:14px; background:#fff; color:#7A8682; font-size:16px;
}
.icon-search {
  width:24px; height:24px; border:3px solid var(--green); border-radius:999px; position:relative; flex:0 0 24px;
}
.icon-search::after {
  content:""; position:absolute; width:10px; height:3px; background:var(--green);
  transform:rotate(45deg); right:-7px; bottom:-3px; border-radius:2px;
}
.filters { display:flex; flex-wrap:wrap; gap:10px; margin-top:14px; }
.filter {
  border:1px solid var(--line); border-radius:999px; padding:8px 16px; color:#50605B; font-size:14px; background:#fff;
}
.benefits { display:flex; flex-wrap:wrap; gap:18px; margin-top:18px; }
.benefit { display:flex; align-items:center; gap:8px; color:var(--green-dark); font-weight:720; font-size:18px; }
.check {
  width:22px; height:22px; border-radius:999px; background:var(--green); color:#fff; display:grid; place-items:center; font-size:14px; font-weight:900;
}

.feature-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:18px; }
.feature {
  display:flex; gap:18px; align-items:flex-start; min-height:142px; border:1px solid var(--line);
  border-radius:20px; padding:24px 22px; background:var(--green-soft); box-shadow:0 8px 20px rgba(13,97,71,.05);
}
.feature-icon {
  width:58px; height:58px; flex:0 0 58px; border-radius:16px; background:var(--green); color:#fff; display:grid; place-items:center;
}
.feature-icon svg { width:32px; height:32px; fill:currentColor; }
.feature h4 { margin:0 0 8px; color:var(--green-dark); font-size:23px; font-weight:820; line-height:1.2; }
.feature p { margin:0; color:#526560; font-size:18px; line-height:1.7; font-weight:560; }

.audience {
  display:flex; align-items:center; gap:18px; flex-wrap:wrap; margin-top:20px; padding:16px 2px; color:var(--muted); font-size:16px;
}
.audience strong { color:var(--green-dark); font-size:18px; }
.aud {
  display:inline-flex; align-items:center; gap:8px; padding-right:18px; border-right:1px solid #C8D8D2; font-size:17px;
}
.aud:last-child { border-right:0; }
.dot-icon { width:26px; height:26px; border-radius:8px; background:var(--green); display:inline-block; }

.footer {
  padding:26px 0 42px; border-top:1px solid #EEF3F1; color:#85918D; font-size:13px; line-height:1.8;
}
.footer a { color:var(--green); text-decoration:none; }
.footer a:hover { text-decoration:underline; }

@media (max-width: 900px) {
  .page { width:min(100% - 28px, 720px); }
  .topbar { min-height:80px; }
  .tagline { display:none; }
  .hero { padding-top:38px; }
  .steps { grid-template-columns:1fr; gap:16px; }
  .step-card { padding:22px 18px; }
  .arrow { right:50%; top:auto; bottom:-30px; transform:translateX(50%) rotate(90deg); }
  .step-card:last-child .arrow { display:none; }
  .phone { width:min(100%, 330px); }
  .phone-screen { height:620px; }
  .search-card { grid-template-columns:1fr; }
  .big-stat { padding-right:0; padding-bottom:24px; border-right:0; border-bottom:1px solid #A9C4BB; }
  .feature-grid { grid-template-columns:1fr; }
}
@media (max-width: 520px) {
  .page { width:min(100% - 22px, 460px); }
  .brand-name { font-size:18px; }
  .brand-sub { font-size:12px; }
  .brand-logo { width:46px; height:60px; }
  .hero h1 { font-size:38px; }
  .hero-kicker { font-size:22px; }
  .hero-note { font-size:15px; }
  .step-title { font-size:19px; }
  .phone-screen { height:520px; }
  .search-card { padding:22px 18px; }
  .big-stat .label { font-size:23px; }
  .feature h4 { font-size:20px; }
  .feature p { font-size:17px; }
  .audience { gap:10px; }
  .aud { padding-right:10px; }
  .oa-preview img { height:150px; }
}